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Data Models into Database Designs

Data Models into Database Designs
Which is not true about surrogate keys?

They have meaning to the user.
They are fixed.
They are numeric.
They are short.

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Data Models into Database Designs
Which of the following column properties would be used to specify that cells in a column must contain a monetary value that is less than another monetary value in the same row?

Null status
Default value
Data type
Data constraints

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Data Models into Database Designs
In a 1:1 relationship, the foreign key is placed in:

either table without specifying parent and child tables.
the child table.
either the parent table or the child table.
the parent table.

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Data Models into Database Designs
When the parent entity is required, a new parent row can always be inserted.

False
True

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Data Models into Database Designs
The identifier of an entity will become the ________ of the new table.

main attribute
identity key
foreign key
primary key

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Data Models into Database Designs
Cascading updates refers to child rows being automatically deleted when a parent row is deleted.

False
True

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